Security experts told the Associated Press that the identities of CIA personnel could have been revealed by Hillary Clinton's email scandal, potentially risking the lives of undercover operatives.

The report said that by publicly releasing redacted emails sent through Clinton and State Department servers, which were vulnerable to hacking, classification experts could have inadvertently provided a key for identifying the agents to anyone holding the unredacted emails.

At least 47 of the emails contain the notation "B3 CIA PERS/ORG," which indicates the material referred to CIA personnel or matters related to the agency. And because both Clinton's server and the State Department systems were vulnerable to hacking, the perpetrators could have those original emails, and now the publicly released, redacted versions showing exactly which sections refer to CIA personnel.

"What we have here is a dangerous combination of negligence and incompetence," Marc Thiessen said on The Kelly File.

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